From: David Miller <davem@davemloft.net>
To: herbert@gondor.apana.org.au
Cc: tom@opengridcomputing.com, rdreier@cisco.com,
netdev@vger.kernel.org, akpm@osdl.org, jgarzik@pobox.com
Subject: Re: What is RDMA
Date: Mon, 24 Jul 2006 15:29:25 -0700 (PDT) [thread overview]
Message-ID: <20060724.152925.85821176.davem@davemloft.net> (raw)
In-Reply-To: <20060707081131.GA2991@gondor.apana.org.au>
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Fri, 7 Jul 2006 18:11:31 +1000
> 5) RDMA over TCP on the receive side is offloaded into the NIC. This
> allows the NIC to directly place data into the application's buffer.
>
> We're starting to have a little bit of a problem because it means that
> part of the incoming IP traffic is now being directly processed by the
> NIC, with no input from the Linux TCP/IP stack.
>
> However, as long as the connection establishment/acks are still
> controlled/seen by Linux we can probably live with it.
As I have detailed in other emails, even if you get the connection
establishment packets processed by netfilter, you can end up with
a non-working connection because NAT can want to transform all of
the established state packets in the same way.
next prev parent reply other threads:[~2006-07-24 22:29 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-28 7:07 RDMA will be reverted David Miller
2006-06-28 7:41 ` Evgeniy Polyakov
2006-06-28 14:56 ` Tom Tucker
2006-06-28 15:01 ` Steve Wise
2006-06-29 16:54 ` Roland Dreier
2006-06-29 17:32 ` YOSHIFUJI Hideaki / 吉藤英明
2006-06-29 17:35 ` Roland Dreier
2006-06-29 17:40 ` YOSHIFUJI Hideaki / 吉藤英明
2006-06-29 19:46 ` David Miller
2006-06-29 20:11 ` Tom Tucker
2006-06-29 20:16 ` Tom Tucker
2006-06-29 20:19 ` David Miller
2006-06-29 20:47 ` Tom Tucker
2006-06-29 20:53 ` David Miller
2006-06-29 21:28 ` Tom Tucker
2006-06-29 21:25 ` Andi Kleen
2006-06-29 20:42 ` James Morris
2006-06-30 20:51 ` Roland Dreier
2006-06-30 21:16 ` David Miller
2006-06-30 23:01 ` Tom Tucker
2006-07-01 14:26 ` Andi Kleen
2006-07-04 18:34 ` Andy Gay
2006-07-04 20:47 ` Andi Kleen
2006-07-04 22:22 ` Andy Gay
2006-07-04 23:01 ` Andi Kleen
2006-07-04 23:48 ` Andy Gay
2006-07-05 0:04 ` Andi Kleen
2006-07-04 20:34 ` Roland Dreier
2006-07-24 22:06 ` David Miller
2006-07-24 23:10 ` Andi Kleen
2006-07-24 23:22 ` David Miller
2006-07-25 0:02 ` Andi Kleen
2006-07-25 0:29 ` Rick Jones
2006-07-25 0:45 ` David Miller
2006-07-25 0:55 ` Rick Jones
2006-07-25 1:04 ` Andi Kleen
2006-07-25 1:21 ` David Miller
2006-07-25 16:29 ` Rick Jones
2006-07-25 16:32 ` Andi Kleen
2006-07-25 1:03 ` Rick Jones
2006-07-25 1:42 ` Andi Kleen
2006-07-25 5:51 ` Evgeniy Polyakov
2006-07-25 6:48 ` David Miller
2006-07-25 6:59 ` Evgeniy Polyakov
2006-07-25 7:33 ` David Miller
2006-07-25 7:42 ` Evgeniy Polyakov
2006-07-05 17:09 ` Tom Tucker
2006-07-05 17:50 ` Steve Wise
2006-07-24 22:25 ` David Miller
2006-07-24 22:47 ` Caitlin Bestler
2006-07-24 22:23 ` David Miller
2006-07-24 22:57 ` Caitlin Bestler
2006-07-01 21:45 ` David Miller
2006-07-04 20:34 ` Roland Dreier
2006-07-05 18:27 ` David Miller
2006-07-05 20:29 ` Roland Dreier
2006-07-06 3:03 ` David Miller
2006-07-06 5:25 ` Tom Tucker
2006-07-06 14:08 ` Herbert Xu
2006-07-06 17:36 ` Tom Tucker
2006-07-07 0:03 ` Herbert Xu
2006-07-07 0:32 ` Tom Tucker
2006-07-07 6:53 ` David Miller
2006-07-07 8:11 ` What is RDMA (was: RDMA will be reverted) Herbert Xu
2006-07-07 18:25 ` Steve Wise
2006-07-11 8:17 ` Herbert Xu
2006-07-11 13:27 ` Steve Wise
2006-07-24 22:29 ` David Miller [this message]
2006-07-24 22:34 ` What is RDMA Rick Jones
2006-07-24 22:39 ` David Miller
2006-07-24 22:49 ` Andi Kleen
2006-07-07 13:29 ` RDMA will be reverted Tom Tucker
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